﻿<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <title>文档最后修改日期和时间</title>
</head>
<body>
    文档最后修改日期和时间:
    <script>
        document.write(document.lastModified);
    </script>

</body>
</html>